Pachymelania aurita is a species of freshwater snail, a gastropod mollusk in the family Thiaridae. Description The shell of an adult Jagora asperata can be as long as . These freshwater snails mainly feed on blue-green algae, diatoms and organic debris. Distribution and habitat This species is widespread along the Western Africa coasts, in Mauritania, Ivory Coast Cameroon, Democratic Republic of the Congo, Nigeria and Gabon. It lives in mangrove swamps, lagoons and brackish tidal waters. References External links Encyclopaedia of Life Biolib Thiaridae Gastropods described in 1774 Taxa named by Otto Friedrich Müller